retinol
/ˈrɛ.tən̩ɑl/
"retinol" is a 7-letter English headword indexed on PlainSpell.
The verdict
“retinol” is uncommon English (frequency #55,061 among 3,094 “R” headwords), classed as a noun. The kind of spelling people second-guess.
- #55,061
- frequency rank, English
- 3,094
- “R” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A fat-soluble carotenoid vitamin (vitamin A), present in fish oils and green vegetables, essential to normal vision and to bone development.
Corpus desk
Index EN-retinol · retinol · English
retinol · rank #55,061 · 0 variants · 0 confusables
- FREQ-RARE #55,061
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH restate
Nearest frequency peer: restate (-1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “retinol”
Sparse band: bars invert rank so rarer forms read shorter
- reservist
reservist
44,944 corpus weight
- resettle
resettle
44,943 corpus weight
- restate
restate
44,941 corpus weight
- retinol
retinol
44,940 corpus weight
- retrofitting
retrofitting
44,939 corpus weight
- revenant
revenant
44,937 corpus weight
What this shows Long-tail view: where “retinol” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | retinol |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈrɛ.tən̩ɑl/ |
| Letters | 7 |
| Frequency rank | #55,061 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “retinol” in English
Rare enough to double-check
retinol is uncommon English at frequency #55,061 among 3,094 “R” headwords, classed as anoun, transcribed /ˈrɛ.tən̩ɑl/. Rarity is why readers land here mid-draft. Gloss: "A fat-soluble carotenoid vitamin (vitamin A), present in fish oils and green vegetables, essential to normal vision and to bone development.".
Our edit-distance generator produced no likely misspellings for retinol, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From retina + -ol. The correct English form is retinol, spelled R-E-T-I-N-O-L.
Definition
- 1A fat-soluble carotenoid vitamin (vitamin A), present in fish oils and green vegetables, essential to normal vision and to bone development.
Etymology
From retina + -ol.
Synonyms
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "retinol", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).